Home / 93,341,890.80-140,012,836.20-87,668,521.20

Finding the Fourth Proportional to 93,341,890.80, 140,012,836.20 and 87,668,521.20

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Solution

The fourth proportional to 93,341,890.80, 140,012,836.20 and 87,668,521.20 is: 131,502,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,341,890.80 : 140,012,836.20 = 87,668,521.20 : x
  2. Step 2: Convert to fraction form
    93,341,890.80/140,012,836.20 = 87,668,521.20/x
  3. Step 3: Cross multiply
    93,341,890.80x = 140,012,836.20 × 87,668,521.20
  4. Step 4: Simplify right side
    93,341,890.80x = 12,274,718,298,671,826
  5. Step 5: Solve for x
    x = 12,274,718,298,671,826/93,341,890.80
  6. Step 6: Final answer
    x = 131,502,781.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.